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6660030103 = 43154884421
BaseRepresentation
bin1100011001111011…
…11111111010010111
3122012011000120202121
412030331333322113
5102114431430403
63020511320411
7324020215246
oct61475777227
918164016677
106660030103
112908460211
12135a520107
13821a5221c
1447274095d
1528ea623bd
hex18cf7fe97

6660030103 has 4 divisors (see below), whose sum is σ = 6814914568. Its totient is φ = 6505145640.

The previous prime is 6660030089. The next prime is 6660030137. The reversal of 6660030103 is 3010300666.

6660030103 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6660030103 - 229 = 6123159191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6660030703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77442168 + ... + 77442253.

It is an arithmetic number, because the mean of its divisors is an integer number (1703728642).

Almost surely, 26660030103 is an apocalyptic number.

6660030103 is a deficient number, since it is larger than the sum of its proper divisors (154884465).

6660030103 is a wasteful number, since it uses less digits than its factorization.

6660030103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154884464.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 6660030103 is about 81609.0074869190. The cubic root of 6660030103 is about 1881.4473258607.

Adding to 6660030103 its reverse (3010300666), we get a palindrome (9670330769).

The spelling of 6660030103 in words is "six billion, six hundred sixty million, thirty thousand, one hundred three".

Divisors: 1 43 154884421 6660030103